--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/cryptoservices/certificateandkeymgmt/pkcs7/pkcs7signerinfo.cpp	Wed Jul 08 11:25:26 2009 +0100
@@ -0,0 +1,119 @@
+/*
+* Copyright (c) 2003-2009 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of the License "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description: 
+*
+*/
+
+
+
+
+#include "pkcs7signerinfo.h"
+#include "pkcs7issuerserial.h"
+#include "pkcs7asn1.h"
+#include "signed.h"
+#include <asn1dec.h>
+#include <x509cert.h>
+
+CPKCS7SignerInfo* CPKCS7SignerInfo::NewL(const TDesC8& aRawData)
+	{
+	CPKCS7SignerInfo* self = new (ELeave) CPKCS7SignerInfo();
+	CleanupStack::PushL(self);
+	self->ConstructL(aRawData);
+	CleanupStack::Pop(self);
+	return self;
+	}
+
+CPKCS7SignerInfo::~CPKCS7SignerInfo(void)
+	{
+	delete iIssuerAndSerialNumber;
+	delete iDigestAlgorithm;
+	delete iDigestEncryptionAlgorithm;
+	delete iEncryptedDigest;
+	}
+
+CPKCS7SignerInfo::CPKCS7SignerInfo(void)
+	{
+	}
+
+EXPORT_C TInt CPKCS7SignerInfo::Version() const
+	{
+	return iVersion;
+	}
+
+EXPORT_C const CPKCS7IssuerAndSerialNumber& CPKCS7SignerInfo::IssuerAndSerialNumber() const
+	{
+	return *iIssuerAndSerialNumber;
+	}
+
+EXPORT_C const CX509AlgorithmIdentifier& CPKCS7SignerInfo::DigestAlgorithm() const
+	{
+	return *iDigestAlgorithm;
+	}
+
+EXPORT_C const CX509AlgorithmIdentifier& CPKCS7SignerInfo::DigestEncryptionAlgorithm() const
+	{
+	return *iDigestEncryptionAlgorithm;
+	}
+
+EXPORT_C const TPtrC8 CPKCS7SignerInfo::EncryptedDigest() const
+	{
+	return *iEncryptedDigest;
+	}
+
+
+void CPKCS7SignerInfo::ConstructL(const TDesC8& aRawData)
+	{
+	CArrayPtr<TASN1DecGeneric>* signerInfo = PKCS7ASN1::DecodeSequenceLC(aRawData, 5, 7);
+	TASN1DecInteger decInt;
+	TInt pos = 3;
+
+	// decodes version
+	iVersion = decInt.DecodeDERShortL(*signerInfo->At(0));	
+
+	iIssuerAndSerialNumber = CPKCS7IssuerAndSerialNumber::NewL(signerInfo->At(1)->Encoding());
+
+	iDigestAlgorithm = CX509AlgorithmIdentifier::NewL(signerInfo->At(2)->Encoding());
+
+	if(signerInfo->At(pos)->Tag() == 0)
+		{
+		// authenticated attributes not supported at this time
+		pos++;
+		}
+	iDigestEncryptionAlgorithm = CX509AlgorithmIdentifier::NewL(signerInfo->At(pos++)->Encoding());
+	DecodeEncryptedDigestL(signerInfo->At(pos++)->Encoding());
+
+	if(pos < signerInfo->Count() && (signerInfo->At(pos)->Tag() == 0))
+		{
+		// unauthenticated attributes not supported at this time
+		pos++;		
+		}
+
+	CleanupStack::PopAndDestroy(signerInfo);
+	}
+
+void CPKCS7SignerInfo::DecodeEncryptedDigestL(const TDesC8& aRawData)
+	{
+	TASN1DecGeneric decGen(aRawData);
+	decGen.InitL();
+
+	if(decGen.Tag() == EASN1OctetString)
+		{
+		TASN1DecOctetString decOct;
+		iEncryptedDigest = decOct.DecodeDERL(decGen);
+		}
+	else
+		{
+		User::Leave(KErrArgument);
+		}
+	}